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Nuclear theory of the atom was put forward by:

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Important Questions on Structure of Atom

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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
Which of the following is the correct unit of angular momentum of an electron in an orbital of an atom ?
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
Which of the following is the energy of a possible excited state of hydrogen?
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
If the velocity of the revolving electron of He+ in the first orbit (n=1) is v, the velocity of the electron in the second orbit is:
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
An element with mass number 181 contains 32% more neutrons as compared to protons. What is the symbol of that element?
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
The correct increasing order of the electronegativity is
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
The number of protons, neutrons and electrons in 71175Lu, respectively, are
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
If the radius of electron orbit in a hydrogen like species is 52.9pm, the angular momentum of electron in that orbit is
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
A particular station of All India Radio, New Delhi, broadcasts on a frequency of 1,368 kHz (kilo Hertz). The wavelength of the electromagnetic radiation emitted by the transmitter is [speed of light, c=3.0×108 ms-1]
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
The sum of the total number of neutrons present in protium, deuterium and tritium is
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models

 Write the name of particle present at the center of electrons in represented Rutherford's model. Write one characteristic of this model.

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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
Isotopes are
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
If the Thomson model of the atom was correct, then the result of Rutherford's gold foil experiment would have been:
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
In the nuclear reaction Al2713+He42⟶X3014+H11,X is
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
Hydrogen has three isotopes A, B and C. If the number of neutron(s) in A, B and C respectively, are x, y and z, the sum of x, y and z is
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
The product obtained after a positron emission from Ga6831 is
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
Among the following pairs of compounds, the one that does not illustrate the law of multiple proportions, is
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
Which of the following is an example of Law of multiple proportion?
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models

Write the name of the particle present in the sphere of represented Thomson atomic model. Explain the model with one example.

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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
The relation between the stopping potential V0 and frequency v is correctly represented in [ϕ= Work function]
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Chemistry>Physical Chemistry>Structure of Atom>Atomic Models
Which of the following conclusions could not be derived from Rutherford's α-particle scattering experiment: